John w



@uitrit tstcs atent @fitr-c.

`JOHN W. HAYES, OFfKlTTE'RY, MAINE, ASSIGNOR TO HIMSELF vAND JACOB G.GROGKETT, OF PORTSMOUTH, N EW HAMPSHIRE.

Letters Patent No. 80,173, dated July 21, 1868.

IMPROVEMENT IN GOVERNORS.

F @te tlgettl rentrer in in tigen what atmt mit making am if the, smut.

TO ALL WHOMIT MAY GONCERN:

Be it known that I, JoHN W. HAYES, of Kittery, in the county of York,and State of Maine, have invented anew, and useful Improvement inlGovernors; and I do hereby declare that the following is a full, clear,and p exact description thereof, which will enable those skilled in theart to make and usci-the same, reference being had to the accompanyingdrawings, forming part of this specification.

This invention relates to improvements in governors for regulating themotion of stealn-engines, and for other purposes.

And it consists in operating the throttle-valve by means of a sleeve onthe governor-spindle, the sleeve having inclined planes and wings, andbeing free to revolve with the spindle within a cylindrical cup, asherein- J after described.

Figurel represents a`sectional elevation Vof the governor and itsattachment to the throttle-valve, the sec- /f tion being through theline asv-xo'ig. 2.

Eigure 2 is a sectional horizontal view from the line yy 'of iig. 1.'Similar letters of reference indicate corresponding parts. A is thecylindrical cup, which is firmly attached to the plate or bed B, andwhich supports theopera'tive j parts of thergovernor.

i C is the governor-spindle,

D is the governor-lever, and E is the rod by which motion is imparted tothe throttle-valve F, as seen in the drawing. G s'the steampipe. l Thespindle C is revolved by a belt on the pulley H, or it may be revolvedby gearing, if more convenient `or desirable. j v

Near the lower .end of the spindle thfe'eis a transverse bar,r, withfriction-rolls J upon its ends. This bar. `is attachedA to and revolveswith the spindle C. I l iK is a sleeve on the spindle, the verticalmotion of which operates the lever D, andimparts motion to thethrottle-valve through 'the rod'E and short lever; E.

This vertical motion isrprodu'ced by two circular inclined planes, m m,on the bottom of the sleeve.

As the spindle is revolved in thedirection of the arrow, the tendency ofthe friction-rolls J is to raise the sleeve vertically a distance equalto the line rn, which is the pleasure of its variation.

The tendency of the revolving arm z', and the contact ofthe rolls J, isto not only raise the sleeve or allow it to descend according to thevelocity of the motion, butto revolve it; and for-the purpose ofcouteracting, to some extent, and regulating this rotating niotion, Iprovide the sleeve with wings o o andballspp, which balls rest upon theinclined bottom of the interior cylinder R.

This cylinder slips loosely into the main cylinder A, upon the bottom ofwhich it rests, as seen at s.

When in a'state of rest, the balls p will naturallyrbll down on theinclined bottom of R until they come in ,contact with the sleeve.

When motion'is imparted to them bythe revolution of -thc wings, thecentrifugal force will throw them up from the sleeve thereby operatingwith greater power to retard the rotating motion of the sleeve.

When the engine is running at the required speed, the balls would occupythe positionseen in the draw' ing, and the friction-rolls would beincontact 4with the middle of the inclined planes.

l When in this position, any variation in 4the speed of the engine musteither raise or lower the sleeve which imparts motion to thethrottle-valve, either opening or closing;it, as before stated.

The cylinder A may contain more or less oil for the reductionioffriction.

The upper end of the spindle is supported by a yoke, T, which rests onand is attached to'the head of the cylinder A, marked u.

soms 2 V is afstand which forms a. fulcrum for the lewe:` D. W is anadjustable weight on the lever D; I claim asnew, and desire to sc-:ureby Letters Patent- 1. In combination with a governor-spindle, the sleeveK, ywhen constructed with the inclined planes m m and wings o o,substantially-as described.

2. The interior cylinder R, with its inclined bottom and the balls pj@nrtnngedsubstnntially as described, in combination with the sleeve K.'

3. The transverse bar 'i on the spindle C, in combination with theinclined planes m m, substantially #sand for the purposes set forth.

. JOHN W. HAYES. Witnesses Y JOHN F. PAUL, En. SCHMIDT.

